1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.security.pwd;
24  
25  import com.liferay.portal.PortalException;
26  import com.liferay.portal.UserPasswordException;
27  import com.liferay.portal.kernel.log.Log;
28  import com.liferay.portal.kernel.log.LogFactoryUtil;
29  import com.liferay.portal.kernel.util.GetterUtil;
30  import com.liferay.portal.model.PasswordPolicy;
31  import com.liferay.portal.util.PropsKeys;
32  import com.liferay.portal.util.PropsUtil;
33  import com.liferay.util.PwdGenerator;
34  
35  /**
36   * <a href="RegExpToolkit.java.html"><b><i>View Source</i></b></a>
37   *
38   * @author Brian Wing Shun Chan
39   */
40  public class RegExpToolkit extends BasicToolkit {
41  
42      public RegExpToolkit() {
43          _pattern = PropsUtil.get(PropsKeys.PASSWORDS_REGEXPTOOLKIT_PATTERN);
44          _charset = PropsUtil.get(PropsKeys.PASSWORDS_REGEXPTOOLKIT_CHARSET);
45          _length = GetterUtil.getInteger(
46              PropsUtil.get(PropsKeys.PASSWORDS_REGEXPTOOLKIT_LENGTH));
47      }
48  
49      public String generate() {
50          return PwdGenerator.getPassword(_charset, _length);
51      }
52  
53      public void validate(
54              long userId, String password1, String password2,
55              PasswordPolicy passwordPolicy)
56          throws PortalException {
57  
58          boolean value = password1.matches(_pattern);
59  
60          if (!value) {
61              if (_log.isWarnEnabled()) {
62                  _log.warn("User " + userId + " attempted an invalid password");
63              }
64  
65              throw new UserPasswordException(
66                  UserPasswordException.PASSWORD_INVALID);
67          }
68      }
69  
70      private static Log _log = LogFactoryUtil.getLog(RegExpToolkit.class);
71  
72      private String _pattern;
73      private String _charset;
74      private int _length;
75  
76  }